CN2471616Y - Electronic ignitor - Google Patents
Electronic ignitor Download PDFInfo
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- CN2471616Y CN2471616Y CN 01207818 CN01207818U CN2471616Y CN 2471616 Y CN2471616 Y CN 2471616Y CN 01207818 CN01207818 CN 01207818 CN 01207818 U CN01207818 U CN 01207818U CN 2471616 Y CN2471616 Y CN 2471616Y
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- ignition
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Abstract
The utility model relates to an electronic ignition device, comprising an electronic ignition circuit and an ignition coil, wherein the electronic ignition circuit comprises an ignition signal generating circuit, an attachment angle control circuit, a high frequency multiple-sparkle circuit and a power-off protection circuit; the control signal output end of the high frequency multiple-sparkle circuit is connected with the primary coil of the ignition coil. The ignition signal generating circuit generates ignition signal to control the whole ignition circuit and the high frequency multiple-sparkle circuit can produce a plurality of high frequency sparkles to ensure the start of the multi-cylinder engine; the attachment angle control circuit is used to adjust the electrifying time of the primary coil of the ignition coil in order to protect the ignition coil and the ignition device. The utility model has the advantages of rapid start, change of attachment angle control, automatic protection of parking and ignition without reduced pressure when the car is driving with high speed.
Description
The utility model relates to automobile igniter, refers to the super type electronic ignition device of the many sparks of a kind of high frequency especially.
At present, mostly the domestic automobile driving engine is that by the platinum contact controlled ignition, the shortcoming of this sparking mode is: the easy carbon distribution of light-up plug, gasoline can not economic combustions, and not clean-burning tail gas causes environmental pollution, and the platinum contact is short service life.In addition, the external ignition device of producing of some high-grade automotive use, or ignition device control chip, these former devices cost an arm and a leg, the cost height; And its peripheral circuit complexity.
In view of the foregoing, the purpose of this utility model provide a kind of production domesticization, igniting heat energy height, can make the super type electronic ignition device of the many sparks of the clean-burning high frequency of gasoline.
For achieving the above object, the utility model adopts following design plan: a kind of electronic ignition device, be made up of electronic igniting circuit and high-tension coil, electronic igniting circuit is made up of ignition signal generation circuit, dwell angle control circuit, the many spark circuits of high frequency and power-off protecting circuit; The mouth of ignition signal generation circuit links to each other with the signal input end of described dwell angle control circuit; The control signal output ends of dwell angle control circuit links to each other with the signal input end of the many spark circuits of described high frequency; The control signal output ends of the many spark circuits of high frequency links to each other with the primary winding of described high-tension coil; The signal input part of power-off protecting circuit links to each other with the signal input end of dwell angle control circuit; The signal output part of power-off protecting circuit links to each other with the signal input end of the many spark circuits of high frequency; The output primary of high-tension coil is chewed with automobile engine high pressure and is linked to each other.
The utility model ignition signal generation circuit is made up of Hall switch and switching valve; The signal output part of Hall switch links to each other with control end of switching tube; Output end of switching tube links to each other with the input end of described dwell angle control circuit.
The dwell angle control circuit is made of a switching valve and two comparators; Control end of switching tube links to each other with the switching valve signal output part of described ignition signal generation circuit; The switching valve mouth of dwell angle control circuit links to each other with the in-phase end of comparator 1 by a source of stable pressure; The mouth of comparator 1 links to each other with an integrating circuit, links to each other with the end of oppisite phase of comparator 2 by a resistance simultaneously; The in-phase end of comparator 2 links to each other with power supply by a source of stable pressure; The mouth of comparator 2 links to each other with the control end of the many spark circuits of described high frequency.
The many spark circuits of high frequency are made of a pulse generating circuit and the multistage amplifier circuit be made up of several aerotrons; The control end of pulse generating circuit links to each other with the signal output part of described ignition signal generation circuit; The mouth of pulse generating circuit links to each other with the control end of multistage amplifier circuit, and the control end of multistage amplifier circuit links to each other with the mouth of dwell angle control circuit again simultaneously; The mouth of the multistage amplifier circuit in the many spark circuits of high frequency links to each other with the primary winding of described high-tension coil.
Power-off protecting circuit is made of two comparators and a Zener diode; The in-phase end of comparator 1 links to each other with VREF (Voltage Reference), the control end of the pulse generating circuit in end of oppisite phase and the many spark circuits of described high frequency links to each other, the end of oppisite phase of comparator 1 links to each other with mouth by electric capacity, and the mouth of comparator 1 links to each other with the control end of multistage amplifier circuit in the many spark circuits of described high frequency by Zener diode; The control end of the pulse generating circuit in the in-phase end of comparator 2 and the many spark circuits of described high frequency links to each other; End of oppisite phase links to each other with the signal input part of described dwell angle control circuit, and end of oppisite phase links to each other with mouth by electric capacity, and the mouth of comparator 2 links to each other with the control end of multistage amplifier circuit in the many spark circuits of described high frequency by Zener diode.
Described high-tension coil is the high-frequency ignition coil.
Be described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the utility model electronic ignition circuit figure.
Fig. 2 is the control of the utility model dwell angle and many sparks of high-tension coil output high frequency scheme drawing.
Fig. 3 is the utility model ignition coil structure scheme drawing.
The utility model electronic ignition device is made up of Ignition Module and high-tension coil two parts; The mouth of Ignition Module links to each other with the primary winding of high-tension coil; The output primary of high-tension coil is chewed with the automobile high pressure and is linked to each other.Firing unit makes the output primary of high-tension coil produce many sparks of high frequency continuously, thereby ignites driving engine.
As shown in Figure 1, the utility model Ignition Module mainly is made of ignition signal generation circuit 1, dwell angle control circuit 2, the many spark circuits 3 of high frequency and protective circuit 4.The mouth of ignition signal generation circuit 1 links to each other with the signal input end of dwell angle control circuit 2; The control signal output ends of dwell angle control circuit 2 links to each other with the signal input end of the many spark circuits 3 of high frequency; The control signal output ends of the many spark circuits 3 of high frequency links to each other with the primary winding of high-tension coil.The signal input part of the utility model power-off protecting circuit 4 links to each other with the signal input end of dwell angle control circuit 2; The signal output part of power-off protecting circuit 4 links to each other with the signal input end of the many spark circuits 3 of high frequency; The output primary of high-tension coil is chewed with automobile engine high pressure and is linked to each other.
Ignition signal generation circuit 1 is made up of Hall switch K1, aerotron T1, optocoupler N1 and resistance R 1～R3.A resistance R 1 in parallel between the pin one of K1 (positive pole) and the pin 3; The pin 3 of K1 links to each other with the base stage of T1 by R2; The pin one of K1 (positive pole) links to each other with the collecting electrode of T1 by the light-emitting diode among R3, the N1; The pin 4 (negative pole) of the emitter of T1, the emitter of the aerotron among the N1 and K1 is ground connection all.Hall switch K1 is the hall effect type signal generator for ignition, and its pin 3 is constantly exported square-wave signal, and whether conducting and the shutoff of control T1 produce spark thereby control whole ignition device.
The utility model also can pass through the platinum contact controlled ignition, i.e. a platinum contact K2 in parallel between the pin two of Hall switch K1 and pin 4.
Dwell angle control circuit 2 mainly is made up of aerotron T2, source of stable pressure W1, comparator U1:A, U1:B and resistance, electric capacity.The base stage of T2 links to each other by the collecting electrode of the aerotron of light lotus root N1 in R4 and the ignition signal generation circuit 1, and the collecting electrode of T2 links to each other with the in-phase end of U1:A by source of stable pressure W1, resistance R 14, R15; The end of oppisite phase of U1:A links to each other with ground by resistance R 13; The mouth of U1:A links to each other with an integrating circuit (R9, R10, R14, R15, C3), and simultaneously, the mouth of U1:A links to each other with the end of oppisite phase of U1:B; The in-phase end of U1:B links to each other with the 12V power supply by R19, R21, R24, W2; The mouth of U1:B links to each other with the pin 3 of time meter U2.
Its principle of work is: when the pin 3 of Hall switch K1 is exported high level, and the T1 conducting, optocoupler N1 conducting, T2 turn-offs.Because the conducting of T1, N1, R27 is by short circuit, and the pin 4 of U2 is not imported, the not output of pin 3 of U2, and D10 does not have electric current.T2 turn-offs, and the current collection of T2 is high level very, and W1 has the electric current mistake, and the in-phase end of U1:A is a high level, and the mouth of U1:A is a high level; U2:B in-phase end link to each other with the 12V power supply, so the mouth of U2:B also is a high level, the T3 conducting, T4, T5, T6 turn-off, high-tension coil is output not.Because the mouth of U1:A links to each other with an integrating circuit (R9, R10, R14, R15, C3), the mouth of U1:A is a high level, integrating circuit begins integration, the end of oppisite phase voltage of U2:B begins to rise, and when U2:B end of oppisite phase voltage was higher than forward end voltage, U2:B turn-offed fast, T3 turn-offs, T4, T5, T6 conducting, the elementary energising of high-tension coil has spark output.Dwell angle control is finished, and promptly by the variation of integrating circuit control U2:B output end voltage, control conducting or the shutoff of T3～T6, thereby whether the control ignition coil produces spark.Regulate source of stable pressure R22 and change datum, change the size of dwell angle, when VREF (Voltage Reference) reduced, dwell angle strengthened, otherwise, reduce, realize dwell angle self-regulated (as shown in Figure 2).
As shown in Figure 2, in the prior art, ignition device becomes low level moment at high level, produces a spark; And being dwell angle, the utility model charging duration can adjust according to VREF (Voltage Reference); the current"on"time of control ignition coil primary winding; avoid high-tension coil to charge for a long time; reach the purpose of protection electronic ignition device and high-tension coil; save the energy, and, when ignition signal becomes low level by high level; when promptly discharging, the utility model can produce a plurality of sparks.
The many spark circuits 3 of high frequency are made up of time meter U2, aerotron T3～T6.Many sparks are to take place when Hall switch K1 output low level.When the K1 output low level, T1 turn-offs, the T2 conducting, and the current collection of T2 is low level very, and C3 is through D4, R16, R15 discharge; Another road of T2 collecting electrode makes the R24 short circuit, and R19 is a low level between R21, the R22, and U2: B is output as low level.Because this moment, T1 turn-offed, the pin 4 of U2 is a high level, a series of square-wave pulse signals of the pin of U2 3 outputs, this high-frequency pulse signal through diode D10, resistance R 23 to aerotron T3, T3～T6 exports high-frequency pulse current, makes the high-tension coil output primary form many sparks.
When to stall, dwell angle control circuit charging duration can not be oversize, otherwise the easy burn-out high-tension coil so the utility model has designed power-off protecting circuit 4 to stall, is made up of comparator U1:C, U1:D and Zener diode D8.When Hall switch K1 output high level, the T1 conducting, R17 is by optocoupler conducting ground connection, and the end of oppisite phase of U1:C is a low level, it is high level that in-phase end R7 obtains dividing potential drop from R5, R6, U1:C is output as high level, and begin integration through C2 this moment, and the U1:C output end voltage rises, 0.5 second after-current punctures the base stage of D8 to T3 through D7, R20, the T3 conducting, T4～T6 turn-offs, and the electric current in the high-tension coil primary winding progressively drops to zero.If automobile starts once more, when K1 was low level, T1, N1 turn-offed, the high and forward end voltage of U1:C end of oppisite phase voltage, and the U1:C mouth is a low voltage, and T3 turn-offs, and T4～T6 conducting recovers normal operation.When driving engine constantly turned round, zener diode D8 ceaselessly detected incoming signal, was power-off protection as long as shut down above 0.5 second.
When to stall, when Hall switch K1 was in low level, T1, N1 turn-offed, the T2 conducting; R8 is a low level, and U1:D carries out integration through the C1 comparator, and after voltage rose 0.5 second, the output voltage of U1:D punctured D8 through D2, R20; the T3 conducting, T4～T6 turn-offs, and finishes power-off protection.
The utility model high-tension coil is a kind of closed magnetic circuit, many sparks of high frequency formula high-tension coil, and its structure as shown in Figure 3.The primary winding 2 that is wrapped on the low pressure skeleton 1 is coupled by high-frequency core 3 and the intensity coil 5 that is wrapped on the intensity coil skeleton 4, and vacuum injection is in shell 6.The two ends of high-tension coil primary winding and the mouth of firing circuit (collecting electrode that is aerotron T6 links to each other with power supply), the two ends of high-tension coil intensity coil are chewed 7 with high pressure and are linked to each other.
Because the utility model adopts above design plan, has thoroughly eliminated the sooting of spark plug phenomenon, promote the gasoline economic combustion, the effect that promotes power, fuel saving and cleaning of off-gas is arranged; It also has quick start, the characteristic that igniting is not fallen to press in the time of can changing dwell angle control, parking automatic protection functions and galloping.
Claims (6)
1, a kind of electronic ignition device is made up of electronic igniting circuit and high-tension coil, it is characterized in that: described electronic igniting circuit is made up of ignition signal generation circuit, dwell angle control circuit, the many spark circuits of high frequency and power-off protecting circuit;
The mouth of described ignition signal generation circuit links to each other with the signal input end of described dwell angle control circuit; The control signal output ends of described dwell angle control circuit links to each other with the signal input end of the many spark circuits of described high frequency; The control signal output ends of the many spark circuits of described high frequency links to each other with the primary winding of described high-tension coil;
The signal input part of described power-off protecting circuit links to each other with the signal input end of described dwell angle control circuit; The signal output part of described power-off protecting circuit links to each other with the signal input end of the many spark circuits of described high frequency;
The output primary of described high-tension coil is chewed with automobile engine high pressure and is linked to each other.
2, a kind of electronic ignition device according to claim 1 is characterized in that: described ignition signal generation circuit is made up of Hall switch and switching valve; The signal output part of Hall switch links to each other with control end of switching tube; Output end of switching tube links to each other with the input end of described dwell angle control circuit.
3, a kind of electronic ignition device according to claim 1 is characterized in that: described dwell angle control circuit is made of a switching valve and two comparators; Described control end of switching tube links to each other with the switching valve signal output part of described ignition signal generation circuit;
The switching valve mouth of described dwell angle control circuit links to each other with the in-phase end of comparator 1 by a source of stable pressure; The mouth of comparator 1 links to each other with an integrating circuit, links to each other with the end of oppisite phase of comparator 2 by a resistance simultaneously; The in-phase end of comparator 2 links to each other with power supply by a source of stable pressure; The mouth of comparator 2 links to each other with the control end of the many spark circuits of described high frequency.
4, a kind of electronic ignition device according to claim 1 is characterized in that: the many spark circuits of described high frequency are made of a pulse generating circuit and the multistage amplifier circuit be made up of several aerotrons;
The control end of described pulse generating circuit links to each other with the signal output part of described ignition signal generation circuit; The mouth of pulse generating circuit links to each other with the control end of multistage amplifier circuit, and the control end of multistage amplifier circuit links to each other with the mouth of dwell angle control circuit again simultaneously;
The mouth of the multistage amplifier circuit in the many spark circuits of described high frequency links to each other with the primary winding of described high-tension coil.
5, a kind of electronic ignition device according to claim 1 is characterized in that: described power-off protecting circuit is made of two comparators and a Zener diode; The in-phase end of comparator 1 links to each other with VREF (Voltage Reference), the control end of the pulse generating circuit in end of oppisite phase and the many spark circuits of described high frequency links to each other, the end of oppisite phase of comparator 1 links to each other with mouth by electric capacity, and the mouth of comparator 1 links to each other with the control end of multistage amplifier circuit in the many spark circuits of described high frequency by Zener diode;
The control end of the pulse generating circuit in the in-phase end of comparator 2 and the many spark circuits of described high frequency links to each other; End of oppisite phase links to each other with the signal input part of described dwell angle control circuit, and end of oppisite phase links to each other with mouth by electric capacity, and the mouth of comparator 2 links to each other with the control end of multistage amplifier circuit in the many spark circuits of described high frequency by Zener diode.
6, a kind of electronic ignition device according to claim 1 is characterized in that: described high-tension coil is the high-frequency ignition coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207818 CN2471616Y (en) | 2001-03-09 | 2001-03-09 | Electronic ignitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207818 CN2471616Y (en) | 2001-03-09 | 2001-03-09 | Electronic ignitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2471616Y true CN2471616Y (en) | 2002-01-16 |
Family
ID=33628115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01207818 Expired - Fee Related CN2471616Y (en) | 2001-03-09 | 2001-03-09 | Electronic ignitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2471616Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264219A (en) * | 2013-05-30 | 2016-01-20 | 日产自动车株式会社 | Internal combustion engine ignition device and ignition method |
-
2001
- 2001-03-09 CN CN 01207818 patent/CN2471616Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264219A (en) * | 2013-05-30 | 2016-01-20 | 日产自动车株式会社 | Internal combustion engine ignition device and ignition method |
| CN105264219B (en) * | 2013-05-30 | 2017-07-25 | 日产自动车株式会社 | The igniter and ignition method of internal combustion engine |
| US9835127B2 (en) | 2013-05-30 | 2017-12-05 | Nissan Motor Co., Ltd. | Internal combustion engine ignition device and ignition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |